If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it.. Some measure how much air you breathe in or out or how much oxygen is going from your lungs ...

A breath alcohol test measures how much alcohol is in the air you breathe out. The device uses that measurement to estimate how much alcohol is in your blood. That number is known as your BAC, or ...

Just like fingerprints, your breathing patterns may be a unique identifying feature. Scientists have found they can identify ...

To diagnose chronic obstructive pulmonary disease (COPD), doctors typically use spirometry to measure your lung function. They usually also perform other tests to monitor the damage to your lungs.

Breathing patterns vary from person to person, similar to fingerprints. They can also reflect each person’s mood, according ...

In a post Gideon Horner is seen holding his breath for one minute as a timer ticks down from A to B claiming that those who can do so are in a prestigious group of only one in 20 people.

Participants in the study took breathing tests to measure their lung function as many as six times over the three decades. During the study, 138 experienced a sharp decline in their lung function.